LAUDA ECO RE 420 S Refrigerated Thermostat with Integrated Cooling System

The LAUDA ECO RE 420 S is a refrigerated thermostat designed for laboratory temperature control, offering temperature ranges from -50°C to 200°C depending on the model. It features:

• Display & Control:
• Monochrome graphic LCD displaying actual and set values simultaneously.
• User-friendly menu navigation with cursor and soft keys.
• Additional Tmax key for adjustable overtemperature protection.
• Fully electronic continuous PID controller.

• Pump & Circulation:
• Powerful Vario pump with six adjustable levels for precise flow control.
• Easy switching between internal and external circulation without bath contact.
• Pump connectors with 13 mm plastic nipples.

• Cooling & Safety:
• Integrated microprocessor-controlled cooling system with natural refrigerants.
• Cooling capacity ranges between 180 and 700 watts across ECO series.
• Air-cooled condenser.
• Safety class III suitable for flammable and non-flammable liquids.

• Construction & Features:
• Stainless steel bath vessel with drain valve and drain cock for easy fluid replacement.
• Tank lid and pump connections included as standard.
• USB interface standard; upgradeable with analog, contact, RS 232/485, Profibus, Ethernet-USB, and Pt 100/LiBus modules for external and remote control.
• Integrated programmable controller with 1 program and up to 20 segments.
• Front panel removable without tools; ventilation grilles on both sides.

• Technical Interfaces and Physical Layout:
• Multiple module receptacles for interface expandability.
• Pump connections for inflow and return.
• Various connection sockets for cooling unit and power supply.
• Rear handle and front grip recess for mobility.

This system prioritizes high precision temperature regulation with energy-efficient operation via the LAUDA SmartCool intelligent system, suitable for diverse laboratory applications requiring stable thermostatic control.